Page 85 - Math_Genius_1 2

osfj,cy ukedj.k osQ fu;e (Rules of Naming Variables)
osfj,cy ukedj.k osQ fu;e gSa%
(i) osfj,cy uke fdlh v{kj (a–z, A–Z) ;k ,d vaMjLdksj (_) ls 'kq: gksuk pkfg,A

(ii) osfj,cy uke fdlh vad ls 'kq: ugha gks ldrk gSA
(iii) dhoMZ dk ç;ksx osfj,cy ukeksa osQ :i esa ugha fd;k tk ldrk gSA
(iv) osfj,cy esa osQoy vYiQk&U;wesfjd v{kj vkSj vaMjLdksj (A–Z nksuksa cM+s vkSj NksVs) vkSj (0–9) la[;k,¡ gks
ldrh gSaA
(v) !, @, #, $, %, tSls fo'ks"k ¯lcy dk ç;ksx osfj,cy uke esa fd;k tk ldrk gSA
(vi) osfj,cy uke osQl lsalhfVo gksrs gSaA
oqQN ekU; osfj,cy ukeksa osQ mnkgj.k%

Gaurav123, mygood_book, _usha93, MiraYadav, age, vkfnA
oqQN vekU; osfj,cy osQ mnkgj.k%

1_Name, @Address, 1234, –Age

eYVhiy osfj,cy vlkbUesaV (Multiple Variable Assignment)
ik;Fku gesa ,dlkFk dbZ osfj,cy osQ fy, ,d oSY;w fufnZ"V djus dh vuqefr nsrk gSA

mnkgj.k osQ fy,]
a = b = c = 32
mijksÙkQ mnkgj.k esa] lHkh osfj,cy a, b vkSj c dks 32 eku fn;k tk,xkA
ge ,d lkFk dbZ osfj,cy osQ fy, dbZ oSY;w Hkh vlkbu dj ldrs gSaA
mnkgj.k osQ fy,]

a, b, c = 32, 96.4 , "Aryan"
mijksÙkQ mnkgj.k esa] osfj,cy a dks oSY;w 32] osfj,cy b dks oSY;w 96-4 vkSj osfj,cy c dks “Aryan” oSY;w fn;k tk,xkA

S
djsDVj lsV (Character Set)
oSQjsDVj lsV dk vFkZ gSµ oSQjsDVj ;kuh& v{kj] vad ;k fo'ks"k fpg~u] ftudk mi;ksx ik;Fku Hkk"kk esa çksxzke fy•us
osQ fy, fd;k tk ldrk gSA
v{kj A–Z or a–z
vad 0–9
fo'ks"k fpg~u ~ ‘ ‘ ! @ # $ % ^ & ( ) * - _ + = : \ ] { } ; “ < > , ? | `

dhoMZ (Keywords)
;s fj”koZ 'kCn gSa ftudk mi;ksx osfj,cy ukeksa osQ :i esa ugha fd;k tk ldrk D;ksafd os vuqoknd osQ fy, ,d fo'ks"k
vFkZ j•rs gSaA ik;Fku esa] dhoMZ osQl lsaflfVo gksrs gSaA
ik;Fku esa oqQN dhoMZ osQ mnkgj.k gSa%
True] elif] del] if] None] False] import] else] vkfnA

MsVk Vkbi (Data Types)
osfj,cy esa LVksj fd, tk ldus okys MsVk ;k oSY;w osQ çdkj MsVk Vkbi dgykrs gSaA
ik;Fku osQ Ng ekud MsVk çdkj gSa] tks bl çdkj gSa%
la[;k (Number)% ;g MsVk çdkj iw.kk±d eku] yacs eku] ÝyksfVax ikWbaV uacj lfgr la[;kRed ekuksa dks lax`ghr

djrk gSA mnkgj.k osQ fy,% a = 3 ;k marks = 99.5
ik;Fku dk ifjp; 83